TY - BOOK ED - WHO Scientific Group on Comparative studies of American and African Trypanosomiasis ED - World Health Organization TI - Comparative studies of American and African trypanosomiasis: rep ort of a WHO scientific group meeting held in Geneva from 11 - 16 Decem ber 1967 PY - 1969/// CY - Geneva PB - World Health Organization KW - Trypanosomiasis, African KW - Chagas Disease N1 - No.411 - Comparative studies of American and African trypanosomiasis , no. 412 - Health factors involved in working under conditions of heat stress, no. 413 - WHO Expert committee on biological standardization, no. 414 - Cholera immunology, no. 415 - Permissible levels of occupatio nal exposure for airborne toxic substances, no. 416 - Genetic counselli ng, no. 417 - Pesticide residues in food, no. 418 - WHO Expert committe e on specifications for pharmaceutical preparations, no. 419 - WHO Expe rt committee on medical rehabilitation, no. 420 - Community water suppl y ER -